/Engine/Plugins/Developer/Concert/ConcertMain/Source/Concert/Public/ConcertMessageData.h
Returns true if we are suppose to use Oodle for compression.
namespace UE { namespace Concert { namespace Compression { bool UE::Concert::Compression::DataIsCompressedWithOodle ( [EConcertCompressionDetails](API\Plugins\Concert\EConcertCompressionDetails) InFormat ) } } }